CN208522585U - Motor, air supply device and dust catcher - Google Patents
Motor, air supply device and dust catcher Download PDFInfo
- Publication number
- CN208522585U CN208522585U CN201821301439.8U CN201821301439U CN208522585U CN 208522585 U CN208522585 U CN 208522585U CN 201821301439 U CN201821301439 U CN 201821301439U CN 208522585 U CN208522585 U CN 208522585U
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- China
- Prior art keywords
- shell
- protrusion
- motor
- slot
- top plate
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/165—Axial entry and discharge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4253—Fan casings with axial entry and discharge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/37—Retaining components in desired mutual position by a press fit connection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Electric Suction Cleaners (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of motor, air supply device and dust catcher.Motor includes axis, configures along central axis extended in the vertical direction；Rotor is fixed on the axis, can be rotated around central axis；Stator is configured in the position for extending to the outside side by diameter than the rotor；1st shell has the cylindrical portion for the radial outside for axially extending, configuring in the stator；And the 2nd shell, it configures in the upside of the 1st shell.2nd shell includes top plate portion, extends up in the side with the central axis upright；And multiple protrusions, they extend from the outer rim of the top plate portion to downside, and configure at spaced intervals in the circumferential.On the lower surface of the top plate portion, configured with multiple 1st ribs extended when along end on observation from the circumferential both ends of the protrusion to radially inner side.
Description
Technical field
The utility model relates to motor, air supply device and dust catchers.
Background technique
Following technology is disclosed in Japanese Unexamined Patent Publication 2017-79595 bulletin: realization has as motor or generator
The high speed and large torque of the motor of rotor.Motor disclosed in Japanese Unexamined Patent Publication 2017-79595 bulletin has by axis and surrounds
The rotor that iron core around the axis is constituted.It clips two opposed shielding parts of iron core and is created as discoid component, with
Frame is formed together the shell of motor.It is provided centrally with the through hole for penetrating through axis in shielding part, in the inside of shielding part
Face (face of core side) on shell for storing the bearing parts such as bearing is provided in a manner of surrounding above-mentioned through hole.Shielding
The rib of the rigidity for improving shielding part is provided on the face of the inside of shield.Specifically, it is provided on shielding part from outer
8 ribs that shell radially extends to the peripheral direction of shielding part.
In the motor disclosed in Japanese Unexamined Patent Publication 2017-79595 bulletin, what is radially extended to peripheral direction is more
A rib equally spaced configures in the circumferential direction centered on axis.The shape for constituting the shell of the outside of motor makes according to the motor
It is varied with purposes.Therefore, according to the shape of shell, even if using disclosed in Japanese Unexamined Patent Publication 2017-79595 bulletin
The structure of rib improves the rigidity of shell, it is also possible to can not properly inhibit the vibration of shell.
Utility model content
The purpose of this utility model is to provide a kind of technologies of vibration being able to suppress in motor.The utility model its
He is designed to provide a kind of technology of vibration being able to suppress in air supply device.The other purposes of the utility model are to provide
A technique for the vibration being able to suppress in dust catcher.
The motor of the embodiment illustrated of 1st utility model includes axis, along center extended in the vertical direction
Axis configuration；Rotor is fixed on the axis, can rotate around central axis；Stator, configuration are leaning on radial direction than the rotor
The position in outside；1st shell has the cylindrical portion for the radial outside for axially extending, configuring in the stator；Outside the 2nd
Shell is configured in the upside of the 1st shell.2nd shell includes top plate portion, with the central axis upright
Side extends up；And multiple protrusions, they extend from the outer rim of the top plate portion to downside, match at spaced intervals in the circumferential
It sets.On the lower surface of the top plate portion configured with when along end on observation from the circumferential both ends of the protrusion to radially inner side
Multiple 1st ribs extended.
According to the 1st utility model, in the motor of the embodiment illustrated of the 2nd utility model, under the top plate portion
Surface configuration has cricoid 2nd rib, and position of the 2nd rib positioned at the radial outer end than the 1st rib in the inner part connects multiple institutes
State the 1st rib.
According to the 1st utility model, in the motor of the embodiment illustrated of the 3rd utility model, the top plate portion has
The multiple through holes penetrated through in axial direction, the 2nd shell are fixed on institute by the fixation member of insertion in the through hole
It states on the 1st shell.
According to the 3rd utility model, in the motor of the embodiment illustrated of the 4th utility model, the through hole penetrates through institute
State a part of the 1st rib.
According to the 3rd utility model, in the motor of the embodiment illustrated of the 5th utility model, the through hole penetrates through institute
State a part of the 2nd rib.
According to the 3rd utility model, in the motor of the embodiment illustrated of the 6th utility model, multiple through holes exist
It is equally spaced arranged in circumferential direction.
According to either side of the 1st utility model into the 6th utility model, the embodiment illustrated of the 7th utility model
Motor in, the cylindrical portion upper end have downwards be recessed and for the protrusion insertion multiple recess portions, it is described convex
Portion has the 1st slot circumferentially in lower end, and the bottom wall part of the recess portion is embedded in the 1st slot.
According to the 7th utility model, in the motor of the embodiment illustrated of the 8th utility model, the 1st slot has in side
There is the 1st radially projecting slot internal projection.
According to either side of the 1st utility model into the 6th utility model, the embodiment illustrated of the 9th utility model
Motor in, the cylindrical portion upper end have downwards be recessed and for the protrusion insertion multiple recess portions, it is described convex
Portion has the 2nd slot extended in the axial direction in side surface part, and the sidewall portion of the recess portion is embedded in the 2nd slot.
According to the 9th utility model, in the motor of the embodiment illustrated of the 10th utility model, the 2nd slot is in side
With the 2nd radially projecting slot internal projection.
According to either side of the 1st utility model into the 6th utility model, the embodiment illustrated of the 11st utility model
Motor in, the cylindrical portion upper end have downwards be recessed and for the protrusion insertion multiple recess portions, it is described convex
Portion has circumferential width with the conical by its shape that narrows from upside towards downside.
The air supply device of the embodiment illustrated of the utility model includes the 1st utility model into the 11st utility model
Either side motor；And impeller, it configures in the position more against the top than the 2nd shell, is fixed on the axis
And can be rotated together with the axis, the 2nd shell also has configuration in the annulus of the radial outside of the top plate portion, institute
Stating protrusion has the recessed portion being recessed to radial outside, and the recessed portion is the same as between the top plate portion and the radial direction of the annulus
Clearance portion and the cylindrical portion inside connection.
The dust catcher of the embodiment illustrated of the utility model has the air supply device of the utility model.
The motor of the embodiment illustrated of the utility model provides the technology for the vibration being able to suppress in motor.This is practical
The air supply device of novel embodiment illustrated provides the technology for the vibration being able to suppress in air supply device.The utility model
The dust catcher of embodiment illustrated provides the technology for the vibration being able to suppress in dust catcher.
By the detailed description of the preferred embodiments of the present invention below, referring to attached drawing, it can be more clearly understood that this
Above-mentioned and other feature, element, step, the features and advantages of utility model.
Detailed description of the invention
Fig. 1 is the perspective view of the motor of the embodiments of the present invention.
Fig. 2 is the exploded perspective view of the motor of the embodiments of the present invention.
Fig. 3 is the vertical sectional view of the motor of the embodiments of the present invention.
Fig. 4 is the perspective view of the 2nd shell from downside.
Fig. 5 is the figure on the protrusion periphery that amplification shows the 2nd shell.
Fig. 6 is the vertical sectional view for schematically showing the relationship between protrusion and recess portion.
Fig. 7 is the figure for illustrating the 1st variation of protrusion.
Fig. 8 is the figure for illustrating the 2nd variation of protrusion.
Fig. 9 is the sectional block diagram of the air supply device of the embodiments of the present invention.
Figure 10 is the exploded perspective view of the air supply device of the embodiments of the present invention.
Figure 11 is the perspective view of the dust catcher of the embodiments of the present invention.
Specific embodiment
Referring to the drawings, the embodiment illustrated of the utility model is described in detail.In the present specification,
When illustrating motor and air supply device, the direction parallel with the central axis C of motor 1 shown in Fig. 3 is referred to as " axial direction ", it will be with
The central axis C of motor 1 vertical direction is referred to as " radial direction ", will be along the side of the circular arc centered on the central axis C of motor 1
To referred to as " circumferential direction ".In addition, in the present specification, using axial direction as up and down direction, in motor 1 relative to the 1st shell 40 with the 2nd
50 side of shell be it is upper, to illustrate shape, the positional relationship in each portion.Up and down direction is only for the title of explanation, does not limit reality
Positional relationship and direction.
In addition, in the present specification, when illustrating dust catcher 200, to approach the direction of the ground F (face to be cleaned) of Figure 11
For " lower section ", and with the direction far from ground F for " top ", to illustrate shape, the positional relationship in each portion.These directions are only
It is the title for explanation, does not limit actual positional relationship and direction.
Also, " upstream " and " downstream " in this explanation is illustrated respectively in the impeller for making air supply device 100 shown in Fig. 9
The upstream and downstream of the circulating direction of the fluid sucked when 110 rotation from the cover suction inlet 121.
Fig. 1 is the perspective view of the motor 1 of the embodiments of the present invention.Fig. 2 is the embodiments of the present invention
The exploded perspective view of motor 1.Fig. 3 is the vertical sectional view of the motor 1 of the embodiments of the present invention.Such as Fig. 1 to Fig. 3 institute
Show, motor 1 has axis 10, rotor 20, stator 30, the 1st shell 40 and the 2nd shell 50.Motor 1 also has lower cover 60, bearing
70 and circuit board 80.
Axis 10 is configured along the central axis C extended up and down.Axis 10 is, for example, columnar component made of metal.
Rotor 20 is fixed on axis 10, can rotate around central axis C.As shown in figure 3, specifically, rotor 20 has magnetic
Iron 21, upside fixation member 22 and downside fixation member 23.Magnet 21 is cylindrical shape, is fixed on axis 10.In the diameter of magnet 21
On face outward, circumferentially alternating magnetized have the pole N and the pole S.Upside fixation member 22 and downside fixation member 23 are tubular.
Upside fixation member 22 and downside fixation member 23 are to be fixed on axis 10 in a manner of clip magnet 21 up and down.
The configuration of stator 30 is in the position for leaning on radial outside than rotor 20.As shown in figure 3, specifically, stator 30 has fixed
Sub- iron core 31, upside insulating part 32, lower-side insulation part 33 and coil 34.Stator core 31 includes cricoid core-back
31a；And the multiple teeth portion 31b extended from core-back 31a to radially inner side.Core-back 31a is the ring around central axis C
Shape.Multiple teeth portion 31b are equally spaced configured in the circumferential.Stator core 31 can be constituted by engaging multiple laminations.It is fixed
Sub- iron core 31 can pass through the multiple magnetic steel plates of stacking and be constituted using machining.
Upside insulating part 32 is the insulating element for covering a part of upper surface and side of stator core 31.Lower-side insulation
Part 33 is the insulating element for covering a part of lower surface and side of stator core 31.Upside insulating part 32 and lower-side insulation part
33 clip teeth portion 31b in the axial direction.Upside insulating part 32 and lower-side insulation part 33 cover each of multiple teeth portion 31b.Coil
34 are constituted and the coiled electrical conductor around upside insulating part 32 and lower-side insulation part 33 on each teeth portion 31b.That is, in teeth portion
There are insulating parts 32,33 between 31b and coil 34.Teeth portion 31b is electrically insulated from each other with coil 34 as a result,.
1st shell 40 is the cylindrical vessel for having lid for storing rotor 20 and stator 30.1st shell 40 is, for example, made of metal
Product.1st shell 40 is to lower opening.1st shell 40 has cylindrical portion 41 and upper cover part 42.Cylindrical portion 41 extends in the axial direction.
Cylindrical portion 41 configures the radial outside in stator 30.That is, the 1st shell 40 has extension in the axial direction, configures the diameter in stator 30
Cylindrical portion 41 outward.As shown in Fig. 2, cylindrical portion 41 has the multiple recess portion 41a being recessed downwards in upper end.It is multiple recessed
Portion 41a is equally spaced configured in the circumferential.Upper cover part 42 along with axially vertical Directional Extension, be circular plate shape.Upper cover part
42 have the upside bearing maintaining part 42a of upwardly projecting tubular in central portion.
2nd shell 50 is configured in the upside of the 1st shell 40.2nd shell 50 is, for example, resin.2nd shell 50 passes through
Fixation member 2 is fixed on the 1st shell 40.In the present embodiment, fixation member 2 is screw.But fixation member 2 is unlimited
In screw, rivet etc. can be.In the present embodiment, the screw of fixing screws 2 is provided in the upper cover part 42 of the 1st shell 40
Hole 42b.2nd shell 50 has the structure for the inside that the 1st shell 40 is directed fluid to from the outside of motor 1.Below to outside the 2nd
The details of shell 50 are described.
Lower cover 60 is installed in the lower end of the 1st shell 40.Lower cover 60 is, for example, metal plate-shaped member.Lower cover 60 is in
Centre portion has the downside bearing cage 61 of downward side tubular outstanding.There are lower cover 60 the multiple lower covers penetrated through in the axial direction to pass through
Through-hole 62.Multiple lower cover through holes 62 equally spaced configure in the circumferential.
Specifically, bearing 70 includes configuration in the upside bearing 70a of the upside of rotor 20；And configuration is in rotor 20
Downside lower side bearing 70b.Upside bearing 70a is held in the upside bearing maintaining part 42a being arranged in upper cover part 42.
Lower side bearing 70b is held in the downside bearing cage 61 being arranged on lower cover 60.In the present embodiment, each bearing
70a, 70b are ball bearing.The outer ring of each bearing 70a, 70b are fixed in the inner peripheral surface of maintaining part 42a, 61.Each bearing 70a, 70b
Inner ring be fixed on the outer peripheral surface of axis 10.Axis 10 and rotor 20 are supported to rotate relative to stator 30 as a result,.
Circuit board 80 is configured in the downside of lower cover 60.Circuit board 80 is spaced using multiple pads 81 relative to lower cover 6-
Defined distance and fix.Circuit board 80 is circle, such as is formed by resins such as epoxy resin rouge.It is configured on circuit board 80
Electronic component.It include such as inverter and control circuit in electronic component.Circuit board 80 by connection terminal (not shown) with
Stator 30 is electrically connected.
When being supplied electric power from power supply via inverter to coil 34, magnetic flux is generated in multiple teeth portion 31b.Also, by means of
The effect of magnetic flux between teeth portion 31b and magnet 21 generates circumferential torque.As a result, rotor 20 and axis 10 are with central axis
It is rotated centered on line C.
Fig. 4 is the perspective view of the 2nd shell 50 from downside.As shown in Figures 1 to 4, the 2nd shell 50 has top plate portion 51
With protrusion 53.2nd shell 50 also has annulus 52.
Top plate portion 51 is extended up in the side vertical with central axis C.Top plate portion 51 is circle when along end on observation.?
In present embodiment, top plate portion 51 has the upper side pocket 51a that lower section is recessed in the axial direction in upper surface side.Upper side pocket 51a exists
It is circle when along end on observation.Top plate portion 51 has the underside recess 51b that top is recessed in the axial direction in lower face side.Underside recess
51b is circle when along end on observation.Top plate portion 51 has the axis hole 51c penetrated through in the axial direction in central portion.When the 2nd shell 50
When on the 1st shell 40, axis 10 passes through axis hole 51c for configuration.Top plate portion 51 has radial width with from upside at outer rim
The rake 51d increased towards downside.Specifically, rake 51d is made of curved surface.
Annulus 52 configures the radial outside in top plate portion 51.Annulus 52 is annular shape when along end on observation.On edge
When end on observation, the center of annulus 52 is consistent with the center of top plate portion 51.Central axis C passes through the center.In annulus 52
Clearance portion 54 is constituted between the radial direction of top plate portion 51.
Protrusion 53 extends from the outer rim of top plate portion 51 to downside.Specifically, protrusion 53 is on the downside of the composition of top plate portion 51
The lower end of the sidewall sections of recess portion 51b extends downward.Protrusion 53 is rectangle when radially observing.Protrusion 53 has radially
There is thickness, the radial outer surface of protrusion 53 is connect coplanarly with the outer surface of annulus 52.In other words, protrusion 53 is from top plate
The shape that portion 51 and annulus 52 extend downward.Protrusion 53 has the recessed portion 532 being recessed to radial outside.Recessed portion 532
Inside with clearance portion 54 and cylindrical portion 41 between top plate portion 51 and the radial direction of annulus 52 is connected to.2nd shell 50 has
Multiple protrusions 53.Multiple protrusions 53 configure at spaced intervals in the circumferential.In the present embodiment, multiple protrusions 53 are in the circumferential
Equally spaced configure.
On the lower surface of top plate portion 51, central portion is provided with the hub portion 55 of the tubular extended in the axial direction.Wheel hub
Portion 55 surrounds axis hole 51c.Hub portion 55 is cylindrical shape.Hub portion 55 configures in underside recess 51b when along end on observation.When
2nd shell 50 configures when on the 1st shell 40, and hub portion 55 surrounds upside bearing maintaining part 42a (referring to Fig. 3).
Inside to diameter configured with circumferential both ends when along end on observation from protrusion 53 on the lower surface of top plate portion 51
Multiple 1st ribs 56 that side extends.Multiple 1st ribs 56 circumferentially configure.1st rib 56 configures when along end on observation in underside recess
In 51b.1st rib 56 protrudes downwards from the following table of top plate portion 51.1st rib 56 is out of, side wall that constitute underside recess 51b
Surface extends to the outer surface of hub portion 55.
The circumferential end of protrusion 53 refers to region in the circumferential with width.In the present embodiment, the 1st rib 56 by
Two ribs of circumferentially spaced interval configuration are constituted, but the number of rib for constituting the 1st rib 56 can be 1, be also possible to 3 with
On.In the present embodiment, each protrusion 53 is provided with the 1st rib 56, the quantity of the 1st rib 56 on the lower surface of top plate portion 51
Quantity with protrusion 53 is all 6.However, it is possible to be the structure for being provided with the 1st rib 56 not directed to whole protrusions 53.
According to the present embodiment, it can be improved the rigidity of the 2nd shell 50 using the 1st rib 56.It is provided with for each protrusion 53
1st rib 56, therefore can be improved the rigidity on the periphery of each protrusion 53.Raising based on the rigidity, when being able to suppress the driving of motor 1
The 2nd shell 50 vibration.
Cricoid 2nd rib 57 is configured on the lower surface of top plate portion 51.2nd rib 57 configures under when along end on observation
In side pocket 51b.2nd rib 57 protrudes downwards from the following table of top plate portion 51.2nd rib 57 is located at more outside than the diameter of the 1st rib 56
The position of end in the inner part.2nd rib 57 connects multiple 1st ribs 56.In present embodiment, the 2nd rib 57 configures the diameter in hub portion 55
It outward, is annular shape.By means of the 2nd rib 57, compared with the case where being provided only with the 1st rib 56, can further increase outside the 2nd
The rigidity of shell 50.Therefore, the vibration of the 2nd shell 50 when motor 1 drives can be further suppressed.In addition, in present embodiment
In, the quantity of the 2nd rib 57 is 1, but the 2nd rib 57 can be it is multiple.
Top plate portion 51 has the multiple through holes 58 penetrated through in the axial direction.2nd shell 50 is by being inserted in through hole 58
Fixation member 2 be fixed on the 1st shell 40.Hereby it is possible to which the 2nd shell 50 is firmly fixed at the 1st using fixation member 2
Shell 40.That is, being able to suppress the vibration of the 2nd shell 50 of the driving with motor 1.
As described above, in the present embodiment, fixation member 2 is screw.Fixing screws 2 are provided in upper cover part 42
Screw hole 42b.Multiple through holes 58 configure in upper side pocket 51a when from above along end on observation.Multiple through holes 58
Quantity is 3, but this quantity can change.Increase fixed position by increasing the quantity of through hole 58, it can be by the 2nd shell
50 are firmly fixed on the 1st shell 40.On the upper surface of top plate portion 51, be provided with when along end on observation with through hole 58
The diameter of the screw of coincidence recess portion 59, screw recess portion 59 is bigger than through hole 58.Using screw recess portion 59, spiral shell can be prevented
The head portion of nail 2 is prominent from the upper surface of top plate portion 51.
Through hole 58 penetrates through a part of the 1st rib 56.In other words, at least part of the inner peripheral surface of through hole 58 is by the 1st
A part of rib 56 is constituted.According to this structure, the 1st rib 56 is being provided with to improve near rigid part, is being provided with
For being inserted into the through hole 58 of fixation member 2.Therefore, it can be fixed securely using fixation member 2, be able to suppress the 2nd
The vibration of shell 50.But through hole 58 can be set and position away from from the 1st rib 56.
Through hole 58 penetrates through a part of the 2nd rib 57.In other words, at least part of the inner peripheral surface of through hole 58 is by the 2nd
A part of rib 57 is constituted.According to this structure, the 2nd rib 57 is being provided with to improve near rigid part, is being provided with
For being inserted into the through hole 58 of fixation member 2.Therefore, it can be firmly fixed using fixation member 2, be able to suppress the 2nd shell
50 vibration.But through hole 58 can be set and position away from from the 2nd rib 57.In the present embodiment, through hole 58 is
The structure of a part of the 1st rib 56 and a part of the 2nd rib 57 is penetrated through, can be fixed securely using fixation member 2.
Multiple through holes 58 equally spaced configure in the circumferential.As a result, when the 2nd shell 50 is fixed to 1 shell 40,
The position offset that fixing intensity is strong can be prevented, so as to inhibit to vibrate.
Fig. 5 is the figure on 53 periphery of protrusion that amplification shows the 2nd shell 50.As shown in Figures 4 and 5, protrusion 53 is in lower end
With the 1st slot 53a extended in the circumferential.From the lower end of protrusion 53, top is recessed 1st slot 53a in the axial direction.1st slot 53a from
Circumferential one end of protrusion 53 extends to the other end.1st slot 53a is chimeric with a part of cylindrical portion 41.
Inserted with protrusion 53 in the recess portion 41a (referring to Fig. 2) of cylindrical portion 41.That is, multiple recess portion 41a and multiple protrusions 53
Quantity it is identical.Fig. 6 is the vertical sectional view for schematically showing the relationship between protrusion 53 and recess portion 41a.As shown in fig. 6, logical
The insertion protrusion 53 in recess portion 41a is crossed, thus the bottom wall part 411 of recess portion 41a is embedded in the 1st slot 53a.In other words, by recessed
Protrusion 53 is inserted into portion 41a, the lower end of protrusion 53 is located at the position than bottom wall part 411 on the lower.Accordingly, one of cylindrical portion 41
Divide and be embedded in the 1st slot 53a of protrusion 53, therefore 40 retaining lugs 53 of the 1st shell can be passed through.Therefore, protrusion can be passed through
53 inhibit the generation of vibration.
As shown in Figures 5 and 6, the 1st slot 53a has the 1st radially projecting slot internal projection 53b in side.In this implementation
In mode, it is provided with multiple 1st slot internal projection 53b.Specifically, the 1st slot internal projection 53b, which is separately positioned on, constitutes the 1st slot 53a
Opposed radially 2 side 531a, 531b on.The 1st slot internal projection 53b being set on the side 531a of radially inner side
It is prominent to radial outside.The 1st slot internal projection 53b being set on the side 531b of radial outside is prominent to radially inner side.Setting
It is identical in the quantity of the 1st slot internal projection 53b on each side 531a, 531b, it is in the present embodiment respectively 3.It is bounded on each side face
On 531a, 531b, interval arranges multiple 1st slot internal projection 53b in the circumferential.It is set on the side 531a of radially inner side
3 the 1st slot internal projection 53b and 3 the 1st slot internal projection 53b being set on the side 531b of radial outside each other in radial direction
It is upper opposed.
By being inserted into protrusion 53, the 1st slot internal projection being thus set on the side 531a of radially inner side in recess portion 41a
53b is contacted with the inner radial surface of cylindrical portion 41.By being inserted into protrusion 53 in recess portion 41a, it is thus set to radial outside
The 1st slot internal projection 53b on the 531b of side is contacted with the radially-outer surface of cylindrical portion 41.
By being provided with the 1st slot internal projection 53b, thus, it is possible to inhibit to be provided with the lower end of the protrusion 53 of the 1st groove portion 53a
Intensity decline, and protrusion 53 can be firmly fixed at cylindrical portion 41.In addition, the quantity of the 1st slot internal projection 53b can become
More.For example, the 1st slot internal projection 53b can be provided only in the side 531a of radially inner side and the side 531b of radial outside
One side.In addition, on the side 531a of radially inner side or the side 531b of radial outside, the 1st slot internal projection that circumferentially arranges
The quantity of 53b can be 1, be also possible to multiple.In addition, in the side 531a of the radially inner side and side 531b of radial outside
In the case that both of which is provided with the 1st slot internal projection 53b, the side 531a of radially inner side and the side 531b of radial outside
On, the position of the 1st slot internal projection 53b can be made to be staggered, or keep quantity different.It can also be not provided with the 1st slot internal projection 53b.?
Under such circumstances, the side for constituting the 1st slot 53a makes the structure contacted with cylindrical portion 41.
Fig. 7 is the figure for illustrating the 1st variation of protrusion 53.Fig. 7 is the plan view of the protrusion 53A from downside.?
In Fig. 7, other than the 53A of protrusion, cylindrical portion 41 is indicated by chain-dotted line.
As shown in fig. 7, protrusion 53A can have the 2nd slot 53c axially extended in side surface part.2nd slot 53c is from protrusion
The side surface part of 53A is recessed in the circumferential.2nd slot 53c can extend to upper end from the lower end of protrusion 53A, and however, you can also not extend
To upper end.In the range of in protrusion, 53A is inserted into the specified position of recess portion 41a, the axial length of the 2nd slot 53c is appropriate
Decision.In addition, the upper end of so-called protrusion 53A is the root of protrusion 53A herein.
In this variation, the 2nd slot 53c is arranged on the circumferential two sides face of protrusion 53A.But the 2nd slot 53c can
To be provided only in the circumferential unilateral side surface part of protrusion 53A.In addition, can be set on the protrusion 53A for being provided with the 2nd slot 53c
It is equipped with the 1st slot 53a.
By being inserted into protrusion 53A in recess portion 41a, thus the sidewall portion 412 of recess portion 41a is embedded in the 2nd slot 53c.Change speech
It, by being inserted into protrusion 53A in recess portion 41a, thus the circumferential end of protrusion 53A, which is located at, leans on outer circumferential than sidewall portion 412
Position.Accordingly, since a part of cylindrical portion 41 is embedded in the 2nd slot 53c of protrusion 53A, the 1st shell can be passed through
40 retaining lugs 53A.Therefore, the generation of vibration is able to suppress by protrusion 53A.
As shown in fig. 7, the 2nd slot 53c preferably has the 2nd radially projecting slot internal projection 53d in side.2nd slot convex
Rise 53d be preferably provided with it is multiple.2nd slot internal projection 53d is preferably arranged on composition the 2nd in the same manner as the 1st slot internal projection 53b
In radially opposed 2 side the two of slot 53c.In addition, being bounded on each side on face, between the 2nd slot 53c is preferably separated in the axial direction
It is arranged every ground multiple.By being inserted into protrusion 53A in recess portion 41a, thus the 2nd slot internal projection 53d is contacted with cylindrical portion 41.Pass through
2nd slot internal projection 53d is set, thus, it is possible to inhibit to be provided with the decline of the intensity of the circumferential end of the protrusion 53A of the 2nd slot 53c, and
And protrusion 53A can be firmly fixed to cylindrical portion 41.Furthermore it is possible to be not provided with the 2nd slot internal projection 53d.In such case
Under, to constitute the structure that the side of the 2nd slot 53c is contacted with cylindrical portion 41.
Fig. 8 is the figure for illustrating the 2nd variation of protrusion 53.As shown in figure 8, protrusion 53B can have circumferential width
Degree is with the conical by its shape that narrows from upside towards downside.In this configuration, such as the circumferential width of the lower end of protrusion 53B
It is equal with the circumferential width of recess portion 41a.Specifically, circumferential width of the circumferential width of the lower end of protrusion 53B than recess portion 41a
It is smaller.Protrusion 53B in the position more upper than lower end due to having circumferential width wider than recess portion 41a for conical by its shape
Spend big part.Therefore, the protrusion 53B being inserted into recess portion 41a is pressed into recess portion 41a.
According to this modification, it is not necessary that the 1st slot 53a or the 2nd slot 53c is arranged on the 53B of protrusion, it will be able to by the jail protrusion 53B
Admittedly be fixed on cylindrical portion 41.But in the case of this variation, the 1st slot 53a and the 2nd can also be set on the 53B of protrusion
At least any one party in slot 53c.
Next, being illustrated to the embodiment of the air supply device 100 for the motor 1 for applying present embodiment.Fig. 9 is
The sectional block diagram of the air supply device 100 of the embodiments of the present invention.Figure 10 is sending for the embodiments of the present invention
The exploded perspective view of wind apparatus 100.As shown in FIG. 9 and 10, air supply device 100 has motor 1 and impeller 110.Air supply device
100 also have impeller the cover 120.Motor 1 is the motor of present embodiment discussed above.
Impeller 110 is configured in the top of the 2nd shell 50.Impeller 110 is fixed in axis 10, can rotate together with axis 10.
Specifically, impeller 110 has impeller bodies 111 and impeller hub 112.
Impeller bodies 111 have base portion 1111, more blades 1112 and shield 1113.Base portion 1111 is disk-shaped.Base
Portion 1111 has base portion through hole 1111a in central portion.Blade 1112 is outside from radial inside in the upside of base portion 1111
The plate-shaped member curved in the circumferential that side extends.Blade 1112 is configured as axially erecting.Shield 1113 is directed towards axis
The cylindrical shape to attenuate to upside.The opening portion in the center of shield 1113 becomes the suction eye 110a of impeller 110.Base portion 1111
Linked with shield 1113 by multiple blades 1112.
Impeller hub 112 has impeller canister portion 1121 and impeller flange part 1122.Impeller canister portion 1121 axially extends, and is
Cylindrical shape.Impeller flange part 1122 is extended from the periphery of impeller canister portion 1121 towards radial outside.Impeller flange part 1122 is
It is circular.
Impeller hub 112 is installed on impeller bodies and impeller canister portion 1121 is inserted into base portion through hole 1111a
111.Impeller canister portion 1121 can be pressed into base portion through hole 1111a, can also be fixedly mounted by bonding agent etc..Impeller 110
It is fixed on axis 10 and being embedded in the upper end of axis 10 in impeller canister portion 1121.Impeller flange part 1122 and base portion 1111
Upper surface contact, functioned as anti-falling piece.
The configuration of impeller the cover 120 covers impeller 110 in the top of impeller 110.Impeller the cover 120 is directed towards axial upside
The cylindrical shape to attenuate.Impeller the cover 120 has the cover suction inlet 121 in upside.Impeller the cover 120 has on radial outer peripheral surface
There is the cover protrusion 122.Axially extending, the lower end than impeller the cover 120 protrudes downwards the cover protrusion 122.The cover protrusion 122
With the raised through hole 122a radially penetrated through.Raised through hole 122a is rectangle when radially observing.In this embodiment party
In formula, impeller the cover 120 has 3 the cover protrusions 122.3 the cover protrusions 122 configure at equal intervals in the circumferential.The cover protrusion
122 quantity and configuration can change.
2nd shell 50 has the shell protrusion 50a extended to radial outside on radial outer peripheral surface.Shell protrusion 50a
It is rectangle when radially observing.In the present embodiment, the quantity of the quantity cooperation the cover protrusion 122 of shell protrusion 50a is 3
It is a.By the way that shell protrusion 50a to be inserted into the raised through hole 122a of the cover protrusion 122, thus impeller the cover 120 is fixed in
On 2nd shell 50.In addition, the fixing means relative to the 2nd shell 50 of impeller the cover 120 is also possible to other methods.Example
Such as, the fixation members such as screw can be used, or use bonding agent.
When the driving by motor 1 rotates impeller 110, fluid is by from 121 suction draft device of the cover suction inlet
100 inside.The thick-line arrow of Fig. 9 indicates the fluid flowing when driving of motor 1.In addition, the typical example of fluid is air.
The fluid sucked from the cover suction inlet 121 is inhaled into the inside of impeller 110 via suction eye 110a.Impeller
110 the fluid sucked from suction eye 110a is discharged via internal flow path towards radial outside.It is discharged from impeller 110
Fluid enters in the clearance portion 54 of the 2nd shell 50.Into the fluid in clearance portion 54 a part through the formation of along the 2nd shell
Opening between 50 circumferentially-adjacent protrusion 53 and be discharged to outside.
As described above, the recessed portion 532 of protrusion 53 is connected to clearance portion 54.Further, since being that protrusion 53 is inserted into tubular
Structure in the recess portion 41a in portion 41, therefore recessed portion 532 is connected to the inside of cylindrical portion 41.Therefore, into the stream of clearance portion 54
In body, do not enter the inside of cylindrical portion 41 by recessed portion 532 to the fluid of outside discharge.That is, protrusion 53 can will be from impeller
The fluid of 110 discharges is guided to the inside of the 1st shell 40.Also, thereby, it is possible to the inside of cooling motor 1.It guides to cylindrical portion
The fluid of 41 inside is discharged via lower cover through hole 62 to the external of the 1st shell 40.By means of from 62 row of lower cover through hole
Fluid out, being capable of cooling circuit board 80.
According to the present embodiment, the 2nd shell 50 improves rigidity by means of the 1st rib 56 and the 2nd rib 57.In addition, outside the 2nd
Shell 50 is fixed on the 1st shell 40 by fixation member 2, and is fixed on the 1st using the 1st slot 53a being set on protrusion 53
On shell.That is, the 2nd shell 50 is firmly fixed on the 1st shell 40.Especially protrusion 53 is firmly fixed at outside the 1st
Shell 40.Therefore, in the case where impeller 110 rotates, it is able to suppress the vibration of the 2nd shell 50, so as to inhibit the production of noise
It is raw.
Next, being illustrated to the embodiment of the dust catcher 200 of the air supply device 100 of application present embodiment.Figure
11 be the perspective view of the dust catcher 200 of the embodiments of the present invention.As shown in figure 11, dust catcher 200 has air supply device
100.Dust catcher 200 is so-called rod-type electric vacuum cleaner.In addition, the dust catcher with air supply device 100 can be so-called machine
Human-like, pot type or the other kinds of electric vacuum cleaner such as handheld.
Dust catcher 200, which has, is respectively arranged with the shell 201 of intake section 202 and exhaust portion 203 in lower surface and upper surface.
Dust catcher 200 has rechargeable battery (not shown), is worked using the electric power supplied from the battery.But dust catcher
200 can have power supply line, using the electric power of the power supply line supply through connecting with the power outlet for the metope for being set to room
It works.
The air duct (not shown) of connection intake section 202 and exhaust portion 203 is formed in shell 201.It is logical in air
In road, from intake section 202 (upstream) towards exhaust portion 203 (downstream) is configured in order dust collecting part (not shown), filter (is not schemed
Show) and air supply device 100.The rubbish such as the dust that the air to circulate in air duct is included are received by filter traps
It combines in the dust collecting part for being formed as container-like.Dust collecting part and filter are configured to dismount relative to shell 201.
The top of shell 201 is provided with handle part 204 and operation portion 205.User can be hold handle part 204
Keep dust catcher 200 mobile.Operation portion 205 has multiple buttons 205a.User carries out dust suction using the operation of button 205a
The movement of device 200 is set.For example, using the operation of button 205a, the driving of instruction air supply device 100 starts, drive stopping, with
And change of revolving speed etc..Intake section 202 is connected with rodlike air intake duct 206.Being equipped in the upstream end of air intake duct 206 being capable of phase
The mouth 207 dismounted for air intake duct 206.In addition, the upstream end of air intake duct 206 is the lower end of air intake duct 206 in Figure 11.
The dust catcher 200 of present embodiment, which has, is able to suppress the vibration in the 2nd shell 50 and the air supply device of noise
100.Therefore, vibration and noise are also able to suppress in dust catcher 200.
Various technical characteristics disclosed in this specification can in the main scope for not departing from its technical creation into
The various changes of row.In addition, multiple embodiments and variation shown in this explanation can combine implementation within the bounds of possibility.
The utility model can be used in the electrical equipment such as dust catcher with air supply device.
Claims (13)
1. a kind of motor, which is included
Axis is configured along central axis extended in the vertical direction；
Rotor is fixed on the axis, can be rotated around central axis；
Stator is configured in the position for leaning on radial outside than the rotor；
1st shell has the cylindrical portion for the radial outside for extending in the axial direction, configuring in the stator；And
2nd shell is configured in the upside of the 1st shell,
2nd shell includes
Top plate portion is extended up in the side with the central axis upright；And
Multiple protrusions, they extend from the outer rim of the top plate portion to downside, configure at spaced intervals in the circumferential,
The motor is characterized in that,
It is inside to diameter configured with circumferential both ends when along end on observation from the protrusion on the lower surface of the top plate portion
Multiple 1st ribs that side extends.
2. motor according to claim 1, which is characterized in that
Cricoid 2nd rib is configured on the lower surface of the top plate portion, the 2nd rib is located at more outside than the diameter of the 1st rib
The position of end in the inner part, connects multiple 1st ribs.
3. motor according to claim 2, which is characterized in that
The top plate portion has the multiple through holes penetrated through in the axial direction,
2nd shell is fixed on the 1st shell by the fixation member of insertion in the through hole.
4. motor according to claim 3, which is characterized in that
The through hole penetrates through a part of the 1st rib.
5. motor according to claim 3, which is characterized in that
The through hole penetrates through a part of the 2nd rib.
6. motor according to claim 3, which is characterized in that
Multiple through holes equally spaced arrange in the circumferential.
7. according to claim 1 to motor described in any one in 6, which is characterized in that
The cylindrical portion has the multiple recess portions for being recessed and supplying downwards protrusion insertion in upper end,
The protrusion has the 1st slot circumferentially in lower end,
The bottom wall part of the recess portion is embedded in the 1st slot.
8. motor according to claim 7, which is characterized in that
1st slot has the 1st radially projecting slot internal projection in side.
9. according to claim 1 to motor described in any one in 6, which is characterized in that
The cylindrical portion has the multiple recess portions for being recessed and supplying downwards protrusion insertion in upper end,
The protrusion has the 2nd slot axially extended in side surface part,
The sidewall portion of the recess portion is embedded in the 2nd slot.
10. motor according to claim 9, which is characterized in that
2nd slot has the 2nd radially projecting slot internal projection in side.
11. according to claim 1 to motor described in any one in 6, which is characterized in that
The cylindrical portion has the multiple recess portions for being recessed and supplying downwards protrusion insertion in upper end,
The protrusion has circumferential width with the conical by its shape that narrows from upside towards downside.
12. a kind of air supply device, which is characterized in that the air supply device includes
Motor described in any one in claim 1 to 11；And
Impeller configures in the position more against the top than the 2nd shell, is fixed on the axis and can revolve together with the axis
Turn,
2nd shell also has the annulus for the radial outside configured in the top plate portion,
The protrusion has the recessed portion being recessed to radial outside,
Inside of the recessed portion with clearance portion and the cylindrical portion between the top plate portion and the radial direction of the annulus
Connection.
13. a kind of dust catcher, which is characterized in that
The dust catcher have the right to require 12 described in air supply device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-191041 | 2017-09-29 | ||
| JP2017191041A JP2019068585A (en) | 2017-09-29 | 2017-09-29 | Motor, blower, and cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208522585U true CN208522585U (en) | 2019-02-19 |
Family
ID=63642841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821301439.8U Active CN208522585U (en) | 2017-09-29 | 2018-08-13 | Motor, air supply device and dust catcher |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20190103783A1 (en) |
| EP (1) | EP3462581A1 (en) |
| JP (1) | JP2019068585A (en) |
| CN (1) | CN208522585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113615056A (en) * | 2019-03-29 | 2021-11-05 | 罗伯特·博世有限公司 | Fan system with electric motor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10967982B2 (en) * | 2019-04-24 | 2021-04-06 | Hfe International | Motor mounting system |
| USD939583S1 (en) | 2019-04-29 | 2021-12-28 | Hfe International | Motor mount and bulkhead |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2961971B1 (en) * | 2010-06-24 | 2012-08-10 | Valeo Systemes Thermiques | MOTOR SUPPORT WITH MOVEMENT LIMITATION DEVICE |
| US9929614B2 (en) * | 2013-07-02 | 2018-03-27 | Nidec Corporation | Motor with integrated slot liner and bobbin with guides for conductor coils |
| DE102013227056B4 (en) * | 2013-12-23 | 2022-07-21 | Robert Bosch Gmbh | Housing for an electric machine with an injected bearing |
| CN107614891B (en) * | 2015-05-25 | 2019-03-15 | 日本电产株式会社 | Air supply device and dust catcher |
| JP6233497B2 (en) | 2016-12-20 | 2017-11-22 | 富士電機株式会社 | Rotating electric machine |
-
2017
- 2017-09-29 JP JP2017191041A patent/JP2019068585A/en active Pending
-
2018
- 2018-08-13 CN CN201821301439.8U patent/CN208522585U/en active Active
- 2018-08-17 US US16/104,235 patent/US20190103783A1/en not_active Abandoned
- 2018-09-19 EP EP18195441.3A patent/EP3462581A1/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113615056A (en) * | 2019-03-29 | 2021-11-05 | 罗伯特·博世有限公司 | Fan system with electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3462581A1 (en) | 2019-04-03 |
| US20190103783A1 (en) | 2019-04-04 |
| JP2019068585A (en) | 2019-04-25 |
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